Control valve



FIG. 1 is a front, top, and right-side view of a control valve showing our new design.

FIG. 2 is a rear, top, and right-side view of the control valve; and,

FIG. 3 is a left side and bottom view of the control valve.

The broken lines represent portions of the control valve that form no part of the claimed design. 

CLAIM The ornamental design for a control valve, as shown and described. 